Puzzles are (deliberately) bad user interfaces. We’re told to love the look of things which have ‘invisible’ interfaces, because designers love simplicity. Hide those countless features, make it look simple. But this turns things into games with hidden rules. Not everyone wants to play.

Investment legend Roger McNamee says mobile has already killed search. Smartphone users hardly use search. Is Google no longer the gatekeeper to the web, business, the world? Will Google+ put them back in the money? Does today’s ‘Facebook for business’ launch roll the dice once again?

Even the dramatic recent reductions in the cost of spectacles and cataract operations are not doing enough to reduce the catastrophic impact that untreated sight conditions have in the third world, but strangely enough, our appetite for HD on our mobile phones will fix this

Instead of fanning the flames at the bonfire parties regularly held all over Cambridge to celebrate the outstanding achievements of chip designer ARM holdings, perhaps it’s time to splash on just a little cold water

Twitter? Maybe he just got lucky. Square, the way to pay with your phone? Others may beat him to it. Square, the way to turn the rest of us into merchantpreneurs? Mr Dorsey may yet live to rule our world